PDI barrels are very well known for their straightness and quality control

magazine tube

Push Button and Remote Pressure Switch • Fully Compliant with All International and US FDA Laser Safety Requirements

height and cheek weld

Gun length: 35

AW Custom HX24 "Wind Velocity" IPSC Gas Blowback Airsoft Pistol (Color: Two-Tone) M&P40 PDI barrels are very wellFeatures Extended 166mm inner barrel provides incredible accuracy, range and muzzle velocity. Outperforms anything in it's class Compensator and barrel are precision machined as a single unit so there are no threads, or alignment issues of the compensator and bore, resulting in an extremely flat recoil cycle with an ultra crisp, addictive blowback action Deep blade grooves for an aggressive gripping surface; Pre drilled holes in the midframe for